diff --git a/pkgs/development/python-modules/botorch/default.nix b/pkgs/development/python-modules/botorch/default.nix
index c62fef2478ae..d4503c85c988 100644
--- a/pkgs/development/python-modules/botorch/default.nix
+++ b/pkgs/development/python-modules/botorch/default.nix
@@ -11,6 +11,7 @@
 , torch
 , scipy
 , pytestCheckHook
+, pythonRelaxDepsHook
 }:
 
 buildPythonPackage rec {
@@ -26,6 +27,7 @@ buildPythonPackage rec {
   };
 
   nativeBuildInputs = [
+    pythonRelaxDepsHook
     setuptools
     setuptools-scm
     wheel
@@ -40,6 +42,10 @@ buildPythonPackage rec {
     torch
   ];
 
+  pythonRelaxDeps = [
+    "linear-operator"
+  ];
+
   checkInputs = [
     pytestCheckHook
   ];
diff --git a/pkgs/development/python-modules/linear-operator/default.nix b/pkgs/development/python-modules/linear-operator/default.nix
index 907cb9c44d73..8ebe174d199b 100644
--- a/pkgs/development/python-modules/linear-operator/default.nix
+++ b/pkgs/development/python-modules/linear-operator/default.nix
@@ -3,10 +3,12 @@
 , fetchFromGitHub
 , jaxtyping
 , pytestCheckHook
+, pythonRelaxDepsHook
 , scipy
 , setuptools
 , setuptools-scm
 , torch
+, typeguard
 , wheel
 }:
 
@@ -23,6 +25,7 @@ buildPythonPackage rec {
   };
 
   nativeBuildInputs = [
+    pythonRelaxDepsHook
     setuptools
     setuptools-scm
     wheel
@@ -32,6 +35,11 @@ buildPythonPackage rec {
     jaxtyping
     scipy
     torch
+    typeguard
+  ];
+
+  pythonRelaxDeps = [
+    "typeguard"
   ];
 
   pythonImportsCheck = [ "linear_operator" ];
@@ -42,6 +50,7 @@ buildPythonPackage rec {
 
   disabledTests = [
     # flaky numerical tests
+    "test_matmul_matrix_broadcast"
     "test_svd"
   ];